{"id": 5587, "prediction_verbatim": "JPY weaker vs. USD within 24-48h as tariff-driven export arbitrage widens", "created_at": "2026-05-30 02:39:04", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-06-01 02:42:19", "chain_hash": "3e6ef98d952dc47b462ffaddae95a70ae756de4498f3bb1b07177d4ff27eb190", "chain_tx": "2t84WW53TvheDpkExLLdcUxWQk8iAVvh9QKdz7MVnodJg59uKfRv17jDRoFYmkAr1GLvgp9kj3HZeQLx5XFocNx5", "verify": "sha256(f'{prediction_verbatim}|{created_at}|{id}') must equal chain_hash, and the Solana tx memo must read 'workshop:pred:<id>:<chain_hash>' with a timestamp BEFORE resolved_at. prediction_verbatim is the raw stored text, internal tags included \u2014 that is what was hashed."}